【国际标准】DIN EN 14399-6-2006 ENG.pdf
[国际标准]DINEN14399-6-2006ENG标准
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国际标准
DINEN14399
2006
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标准
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[国际标准]DINEN14399-6-2006ENG标准,国际标准,DINEN14399,2006,ENG,标准
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DEUTSCHE NORM June 2006 DIN EN 14399-6 ICS 21.060.30 Supersedes DIN EN 14399-6:2005-06 See start of validity High-strength structural bolting assemblies for preloading Part 6: Plain chamfered washers (includes Corrigendum AC:2006) English version of DIN EN 14399-6:2006-06 Hochfeste planmig vorspannbare Schraubenverbindungen fr den Metallbau Teil 6: Flache Scheiben mit Fase (enthlt Berichtigung AC:2006) Englische Fassung DIN EN 14399-6:2006-06 Document comprises 10 pages No part of this standard may be reproduced without prior permission of DIN Deutsches Institut fr Normung e. V., Berlin. Beuth Verlag GmbH, 10772 Berlin, Germany, has the exclusive right of sale for German Standards (DIN-Normen). English price group 7 www.din.de www.beuth.de !,o)*12.069760607DIN EN 14399-6:2006-06 2 Start of validity This standard is valid from 1 June 2006. DIN 6916:1989-10 shall remain valid until 30 September 2007. National foreword This standard has been prepared by CEN/TC 185 Threaded and non-threaded mechanical fasteners and accessories (Secretariat: Germany). The responsible German body involved in its preparation was the Normenausschuss Mechanische Verbin-dungselemente (Fasteners Standards Committee), Technical Committee NA 067-03-04 AA Stahlbauver-schraubungen. Details regarding the allocation of washers conforming to this standard to system HR or system HV bolt/nut/washer assemblies are given in the Introduction to the European Standard. The European Standards referred to in clause 2 of the EN have been published as the corresponding DIN EN or DIN EN ISO Standards with the same number. Corrigendum EN 14399-6:2005/AC:2006 and CMC Resolution 4 of 2005-08-05 (amendment of date of withdrawal (DOW) of conflicting national standards) have been integrated in this standard and are indicated by a vertical line in the margin. Amendments This standard differs from DIN 6916:1989-10 as follows: a) The title has been amended. b) The scope has been amended. c) References have been updated. d) The nominal thread diameter of the associated bolt has been specified as nominal dimension. e) Dimension e for nominal size 36 has been amended. f) For dimension e, limiting values have been specified. g) The designation has been amended. Compared with DIN EN 14399-6:2005-06, the following amendments have been made: a) The date of withdrawal (DOW) of conflicting national standards has been changed from September 2005 to September 2007. b) In clause 6, the term “manufacturers identification mark” has been replaced by “identification mark of the manufacturer of the assembly”. Previous editions DIN EN 14399-6: 2005-06 DIN 6916: 1962-08, 1970-12, 1979-03, 1989-10 -,-, EUROPEAN STANDARD NORME EUROPENNE EUROPISCHE NORM EN 14399-6 March 2005 +AC January 2006 ICS 21.060.30 English version High-strength structural bolting assemblies for preloading Part 6: Plain chamfered washers (includes Corrigendum AC:2006) Boulonnerie de construction mtallique haute rsistance apte la prcontrainte Partie 6: Rondelles plates chanfreines (corrigendum AC:2006 inclus) Hochfeste planmig vorspannbare Schrauben-verbindungen fr den Metallbau Teil 6: Flache Scheiben mit Fase (enthlt Berichtigung AC:2006) EN 14399-6:2005 was approved by CEN on 2004-04-30 and Corrigendum AC on 2006-01-25. CEN members are bound to comply with the CEN/CENELEC Internal Regulations which stipulate the conditions for giving this European Standard the status of a national standard without any alteration. Up-to-date lists and bibliographical references concerning such national standards may be obtained on application to the Management Centre or to any CEN member. The European Standards exist in three official versions (English, French, German). A version in any other language made by translation under the responsibility of a CEN member into its own language and notified to the Management Centre has the same status as the official versions. CEN members are the national standards bodies of Austria, Belgium, Cyprus, the Czech Republic, Denmark, Estonia, Finland, France, Germany, Greece, Hungary, Iceland, Ireland, Italy, Latvia, Lithuania, Luxembourg, Malta, the Netherlands, Norway, Poland, Portugal, Romania, Slovakia, Slovenia, Spain, Sweden, Switzerland, and the United Kingdom. EUROPEAN COMMITTEE FOR STANDARDIZATION COMIT EUROPEN DE NORMALISATIONEUROPISCHES KOMITEE FR NORMUNG Management Centre: rue de Stassart, 36 B-1050 Brussels 2006 CEN All rights of exploitation in any form and by any means reserved worldwide for CEN national Members. Ref. No. EN 13599-6:2005 + AC:2006 EEN 14399-6:2005 + AC:2006 (E) 2 Contents Page Foreword3 Introduction4 1 Scope5 2 Normative references5 3 Dimensions6 4 Specification and reference standards 7 5 Designation 7 6 Marking7 Bibliography8 -,-,EN 14399-6:2005 + AC:2006 (E) 3 Foreword This document (EN 14399-6:2005) has been prepared by Technical Committee CEN /TC 185 Threaded and non-threaded mechanical fasteners and accessories, the secretariat of which is held by DIN. This European Standard shall be given the status of a national standard, either by publication of an identical text or by endorsement, at the latest by September 2005, and conflicting national standards shall be withdrawn at the latest by September 2007. This document includes a Bibliography. According to the CEN/CENELEC Internal Regulations, the national standards organizations of the following countries are bound to implement this European Standard: Austria, Belgium, Cyprus, Czech Republic, Denmark, Estonia, Finland, France, Germany, Greece, Hungary, Iceland, Ireland, Italy, Latvia, Lithuania, Luxembourg, Malta, Netherlands, Norway, Poland, Portugal, Slovakia, Slovenia, Spain, Sweden, Switzerland and United Kingdom. EN 14399-6:2005 + AC:2006 (E) 4 Introduction This document on structural bolting reflects the situation in Europe where two technical solutions exist to achieve the necessary ductility of bolt/nut/washer assemblies. These solutions utilize different systems (HR and HV) of bolt/nut/washer assemblies, see Table 1. Both systems are well proved and it is up to the experts responsible for structural bolting whether they use the one or the other system. It is, however, important for the performance of the assembly to avoid mixing up the components of both systems. Therefore, bolts and nuts for both systems are standardized in one single part of this European Standard each and the marking of the components of the same system is uniform. Table 1 Systems of bolt/nut/washer assemblies Bolt/nut/washer assembly System HR Bolt/nut/washer assembly System HV General requirements EN 14399-1 Bolt/nut assembly EN 14399-3 EN 14399-4 Marking HR HV Property classes 8.8/8 10.9/10 10.9/10 Washer(s) EN 14399-5 or EN 14399-6 EN 14399-5 or EN 14399-6 Marking H H Suitability test for preloading EN 14399-2 EN 14399-2 Preloaded bolted assemblies are very sensitive to differences in manufacture and lubrication. Therefore it is important that the assembly is supplied by one manufacturer who is always responsible for the function of the assembly. For the same reason it is important that coating of the assembly is under the control of one manufacturer. Beside the mechanical properties of the components the functionality of the assembly requires that the specified preload can be achieved if the assembly is tightened with a suitable procedure. For this purpose a test method for the suitability of the components for preloading was created which will demonstrate whether the function of the assembly is fulfilled. It should be pointed out that compared to ISO 272 the widths across flats (large series) for M12 and M20 have been changed to 22 mm and 32 mm respectively. These changes are justified by the following reasons. Under the specific conditions of structural bolting the compressive stresses under the bolt head or nut for the sizes M12 may become too large with the width across flats of 21 mm, especially if the washer is fitted excentrically to the bolt axis. For the size M20, the width across flats of 34 mm is very difficult to be produced. The change to 32 mm is primarily motivated by economics but it should also be pointed out that the width across flats of 32 mm is already common practice in Europe. For the time being, the product standards EN 14399-3 to EN 14399-6 are the only European Standards which have regard to the general requirements of EN 14399-1. However, further product standards on fit bolts, countersunk head bolts, and load indicating washers for the use in high strength structural bolting for preloading are under preparation. -,-,EN 14399-6:2005 + AC:2006 (E) 5 1 Scope This document specifies, together with EN 14399-1, hardened and tempered plain washers with chamfer intended for assembly with large series hexagon high-strength structural bolts and nuts with thread sizes from M12 to M36 inclusive. NOTE Attention is drawn to the importance of ensuring that the washers are correctly used if satisfactory results are to be obtained. For recommendations concerning proper application, reference to ENV 1090-1 is made. 2 Normative references The following referenced documents are indispensable for the application of this document. For dated references, only the edition cited applies. For undated references, the latest edition of the referenced document (including any amendments) applies. EN 14399-1, High-strength structural bolting assemblies for preloading Part 1: General requirements. EN ISO 3269, Fasteners Acceptance inspection (ISO 3269:2000). EN ISO 4759-3, Tolerances for fasteners Part 3: Plain washers for bolts, screws and nuts Products grades A and C (ISO 4759-3:2000). EN ISO 10684, Fasteners Hot dip galvanized coatings (ISO 10684:2004). EN 14399-6:2005 + AC:2006 (E) 6 3 Dimensions See Figure 1 and Table 2. Figure 1 Dimensions Table 2 Dimensions Dimensions in millimetres Nominal size d (nominal thread diameter of associated bolts) 12 (14)a 16 (18)a 20 22 24 27 30 36 min. 13 15 17 19 21 23 25 28 31 37 d1 max. 13,27 15,27 17,2719,33 21,33 23,33 25,33 28,52 31,62 37,62 min. 23,48 27,48 29,4833,38 36,38 38,38 43,38 49 54,80 64,80 d2 max. 24 28 30 34 37 39 44 50 56 66 nom. 3 3 4 4 4 4 4 5 5 6 min. 2,7 2,7 3,7 3,7 3,7 3,7 3,7 4,4 4,4 5,4 h max. 3,3 3,3 4,3 4,3 4,3 4,3 4,3 5,6 5,6 6,6 nom. = min. 0,5 0,5 0,750,75 0,75 0,75 0,75 1 1 1,25 e max. 1,0 1,0 1,501,50 1,50 1,50 1,50 2 2 2,50 min. 1,6 1,6 1,6 2 2,0 2,0 2,0 2,5 2,5 2,5 c max. 1,9 1,9 1,9 2,5 2,5 2,5 2,5 3,0 3,0 3,0 NOTE For hot dip galvanized washers the above dimensions apply prior to galvanizing. a Sizes in brackets are non-preferred sizes. -,-,EN 14399-6:2005 + AC:2006 (E) 7 4 Specification and reference standards Table 3 Specifications and reference standards Material Steel General requirements EN 14399-1 Mechanical properties Hardness range 300 HV to 370 HV Product grade A Tolerances International Standard EN ISO 4759-3 normal as processedb hot dip galvanized EN ISO 10684 Surface finisha others to be agreedc Workmanship Parts shall be uniform and free of irregularities or detrimental defects. No protroding burrs shall appear on the washer. Acceptability For accep
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